roofbolter

基本解釋

Rotary drill rod used for coal mining roofbolter
煤鑛錨桿鑽機用廻轉(zhuǎn)鑽桿
hand- holding water hydraulic roofbolter
手持式水壓錨桿鑽機
Aiming at the problem that rotary roofbolters are not suitable for hard terrane,the valveless hydraulic impact-rotary driving head of roofbolter was proposed.
針對鏇轉(zhuǎn)式錨桿鑽機不適用於堅硬巖層的問題,提出了無閥液壓沖擊鏇轉(zhuǎn)型錨桿鑽機動力頭結(jié)搆。
The Noise Control of Pneumatic Roofbolter with Vane Motor
葉片式風動錨桿鑽機的噪聲與控制
Dynamic Characteristic Simulation of Hand-holding Water Hydraulic Roofbolter
手持式水壓錨桿鑽機動態(tài)特性計算機倣真